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Classes
- Grade 9
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Aptitude Tests

Browse Worksheets
Classes
- Grade 9
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- Grade 11
- Grade 12
Aptitude Tests

Browse Worksheets
Classes
- Grade 9
- Grade 10
- Grade 11
- Grade 12
Aptitude Tests

ECAT MDCAT : Chemistry chapter 5 SOLID

Leave a Comment / By Afshan JAMAL / August 15, 2026

Welcome to your ECAT MDCAT : Chemistry chapter 5 SOLID

In a group on going downward, polarizability generally:

Choose the correct option.

Decreases

Increases

Remains constant

Negligible

None

Which of the following is a pseudo solid?

Choose the correct option.

CaF2

Glass

NaCl

All

None

The strongest forces are:

Choose the correct option.

Debye forces

London dispersion

Dipole-dipole attraction

Hydrogen bonding

None

The strongest forces among the following are:

Choose the correct option.

Debye forces

London dispersion forces

Dipole-dipole attraction

Hydrogen bonding

None

H2S is a gas while H2O is liquid at room temperature. It is due to:

Choose the correct option.

Less intermolecular forces in water

Covalent bond in H-O in water molecule

Hydrogen bonding in water molecules

Ionic characters in water molecules

None

Debye forces are present in one of the following pairs:

Choose the correct option.

Na+ ion and water

Argon and water

Argon and Na+ ion

Ne and water

None

Evaporation of water is possible at:

Choose the correct option.

Above 100°C

0°C

100°C

At all temperature

None

The molecules of CO2 in dry ice form the:

Choose the correct option.

Ionic crystals

Covalent crystals

Molecular crystals

Any type of crystal

None

Hydrocarbon molecules with large chain lengths experience:

Choose the correct option.

Weaker attractive forces

Stronger attractive forces

Repulsive forces

No attractive forces

None

London dispersion forces are also called:

Choose the correct option.

Hydrogen bonding

Debye forces

Van der Waal's forces

Instantaneous dipole-induced dipole forces

None

Heat of vaporization for liquids with strong dipole-dipole forces will have:

Choose the correct option.

Negligible Values

Reasonably high values

Very high values

Very low values

None

Which of the following liquids has low vapor pressure at 25°C?

Choose the correct option.

Diethyl ether

Acetone

Water

Ethyl alcohol

None

The intermolecular forces in liquids are:

Choose the correct option.

Negligible

Very weak

Very strong

Reasonably strong

None

Amorphous solids:

Choose the correct option.

Have sharp melting point

Undergo clean cleavage when cut with knife

Have perfect arrangement of atoms

Can possess small regions of orderly arrangement of atoms

None

Which of the following is a pseudo solid?

Choose the correct option.

CaF2

Glass

NaCl

All

None

The molecules of CO2 in dry ice form:

Choose the correct option.

Ionic crystals

Covalent crystals

Molecular crystals

Any type of crystals

None

Chloroform and acetone are soluble in each other due to:

Choose the correct option.

Instantaneous dipole interactions

Dipole-dipole interactions

Intermolecular hydrogen bonding

All of above

None

A liquid on evaporation causes:

Choose the correct option.

Heating effect

Cooling effect

Suffocation

All of above

None

Rate of evaporation and rate of condensation at equilibrium:

Choose the correct option.

Become very low

Become very high

Become equal

Can never be equal

None

Debye forces are present in one of the following pairs:

Choose the correct option.

Na+ ion and water

Argon and water

Argon and Na+ ion

Ne and Water

None

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